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Sub-categories were previously undocumented outside README and the per-category reference pages. Add a paragraph to 07-customization.md (the canonical opinionated-components page) explaining the sub-category cascade, a short note to the 08-components-reference index pointing readers at each category's sub-category list, and a troubleshooting note that __fish_config_op_<category>_<subcategory> variables follow the same check/reset pattern as category variables.
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title, manTitle, sidebar, helpKeywords
| title | manTitle | sidebar | helpKeywords | |||
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| Components Reference | 8. COMPONENTS REFERENCE |
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The following tables detail every component in each category. Use this reference to understand exactly which behaviors change when you toggle a category variable.
Category Description
──────────────────────────────────────────────────────────────────────────
C1 [Command Shadows](/08-components-reference/01-c1-command-shadows/) — Wraps destructive commands (`rm`, `cp`) to be safe by default
C2 [Startup Side-Effects](/08-components-reference/02-c2-startup-side-effects/) — Bootstraps Fisher, generates wrappers, auto-activates venvs
C3 [Overrides](/08-components-reference/03-c3-key-and-environment-overrides/) — Overrides `cd`, sets Vi mode, binds `<CR>` to `smart_enter`
C4 [Integrations](/08-components-reference/04-c4-terminal-and-tool-integration/) — Kitty/Wezterm integrations, starship hooks, fzf theme
C5 [Logging and Capture](/08-components-reference/05-c5-logging-and-capture/) — Session logs, command duration
C6 [Greeting & First-Run UI](/08-components-reference/06-c6-greeting-and-first-run-ui/) — Custom startup banner
Each category further sub-divides into two to six sub-categories (24 in
total) with their own __fish_config_op_<category>_<subcategory> toggles
-- see that category's page for its sub-category list.
Per-function overrides: C0/always
Every guarded function or file can also carry a reserved always/on or
always/off tag in its # COMPONENT header, independent of every C1-C6
category and sub-category toggle and invisible to config-settings. An
always/off tag disables that function unconditionally; an always/on
tag enables it unconditionally, ignoring the state of every other tagged
sub-category. This is a per-function escape hatch for cases too granular
or too idiosyncratic to justify a taxonomy entry -- edit the header
directly and run __fish_config_op_registry_rebuild to apply the change.